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foliation

American  
[foh-lee-ey-shuhn] / ˌfoʊ liˈeɪ ʃən /

noun

  1. the act or process of putting forth leaves.

  2. the state of being in leaf.

  3. Botany.

    1. the arrangement of leaves within a bud.

    2. the arrangement of leaves on a plant.

  4. leaves or foliage.

  5. Printing. the consecutive numbering of the folios or leaves, as distinguished from pages, of a manuscript or book.

  6. the total number of such leaves.

  7. Petrology. a form of lamination produced in rocks by metamorphism.

  8. ornamentation with foliage, or an arrangement of foliage.

  9. Architecture.

    1. ornamentation with foils.

    2. ornamentation with representations of foliage.

  10. formation into thin sheets.

  11. the application of foil to glass to make a mirror.


foliation British  
/ ˌfəʊlɪˈeɪʃən /

noun

  1. botany

    1. the process of producing leaves

    2. the state of being in leaf

    3. the arrangement of leaves in a leaf bud; vernation

  2. architect

    1. ornamentation consisting of foliage

    2. ornamentation consisting of cusps and foils

  3. any decoration with foliage

  4. the consecutive numbering of the leaves of a book

  5. geology the arrangement of the constituents of a rock in leaflike layers, as in schists

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

foliation Scientific  
/ fō′lē-āshən /
  1. The set of layers visible in many metamorphic rocks as a result of the flattening and stretching of mineral grains during metamorphism.


Other Word Forms

Etymology

Origin of foliation

First recorded in 1615–25; foliate + -ion

Vocabulary lists containing foliation

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The rock has split from bedrock along this foliation plane, and you can see that other weaknesses are present in the same orientation.

From Textbooks Jan. 1, 2015

The rock failed along weakened foliation planes of the metamorphic rock on Johnson Peak, in an area that had been eroded into a steep slope by glacial ice.

From Textbooks Jan. 1, 2015

The mineral crystals don’t have to be large to produce foliation.

From Textbooks Jan. 1, 2015

If the country rock has no bedding or foliation, then any tabular body within it is a dyke.

From Textbooks Jan. 1, 2015

It's not winter hardiness, it's this early foliation.

From Northern Nut Growers Association Report of the Proceedings at the 44th Annual Meeting Rochester, N.Y. August 31 and September 1, 1953 by Northern Nut Growers Association

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